Abstract
The cyclopentadienyl(β-diketiminato)titanium and zirconium chlorides (η 5-C 5H 5)MCl 2(CH(C(NC 6H 4-4-OR)CH 3) 2) (M = Ti ( 4-dend), Zr ( 5-dend)), where R corresponds to the first generation carbosilane dendron (dendritic wedge) Si(CH 2CH 2SiMePh 2) 3, have been synthesised. After activation with methylaluminoxane, the activity of 4-dend and 5-dend as catalysts for ethylene polymerisation has been determined and compared with that of the non-dedritic counterpart (η 5-C 5H 5)MCl 2(CH(C(NC 6H 5)CH 3) 2) (M = Ti ( 4), Zr ( 5)).
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